Repairs and alterations. Ordinary repairs and alterations may be made to a nonconforming structure, provided that no structural alterations shall be made in or to such structure, all or substantially all of which are designed or intended for a use not permitted in the district in which it is located, except those required by law, or except to make the structure and use thereof conform to the regulations of the district in which it is located. Ordinary repairs and alterations shall be determined by the Building Inspector and shall include, among other things, the replacement of storage tanks where the safety of operations of the installation required such replacement.

Additions and enlargements.

Moving. No nonconforming structure shall be moved in whole or in part to any location unless every portion of such structure, and the use thereof, is made to conform to all regulations of the district in which the moved structure is to be located.

Restoration of damaged nonconforming structures. A nonconforming structure, or portion thereof, which is destroyed or damaged by fire or other casualty or act of God to the extent that the cost of restoration to the condition in which it was before the occurrence will equal or exceed 70% of the total cost of reconstructing the entire structure shall not be restored unless said structure and the use thereof shall conform to all regulations of the district in which it is located. In the event that such damage or destruction is less than 70% of the cost of reconstructing the entire structure, no repair or construction for restoration shall be made unless such work is started within one year from the date of the partial destruction and is diligently prosecuted to completion.[1]

Discontinuance of use in nonconforming structure. A nonconforming structure, or portion thereof, in which the use has ceased by discontinuance or abandonment, on the effective date of this chapter or thereafter, or which is abandoned and remains unoccupied, or which is not used for a continuous period of one year shall not thereafter be occupied or used, except by a use which conforms to the use regulations of the district in which it is located.

Change of use in nonconforming structure. The nonconforming use of a structure, or portion thereof, may be changed to a use permitted in the district in which the structure is located, or the nonconforming uses of a part of such a structure may be extended to the remaining parts of the structure; however, once a use is changed to a conforming use, such structure shall not thereafter be used for a nonconforming use or purpose.

Nonconforming use of conforming structures. The existing nonconforming use of a part or all of a conforming structure may be continued, subject to the following provisions:[2]

Nonconforming use of land. The nonconforming use of land not involving a structure, or in connection with which any structure thereon is incidental or accessory to the principal use of land, may be continued, subject to the following provisions:

Existing nonconforming structures and uses. The property owned at 1200 First Street, Mendota, LaSalle County, Illinois, shall at no time have more than three trailers and one double-wide trailer located on the premises.